As Donald Trump takes the oath of office for the second time, the world is waiting to see how he’ll seek to end Russia’s full-scale war against Ukraine — something he’s previously said he would do within 24 hours (and, later, before his inauguration). But the nearly three-year-old conflict is just one of numerous interlaced geopolitical challenges involving an increasingly bold Russia that will affect the United States. Meduza explores three other critical issues Trump will have to navigate.